22149946605 has 16 divisors (see below), whose sum is σ = 35805276864. Its totient is φ = 11691517440.

The previous prime is 22149946603. The next prime is 22149946631. The reversal of 22149946605 is 50664994122.

It is not a de Polignac number, because 22149946605 - 2¹ = 22149946603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22149946603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7610211 + ... + 7613120.

It is an arithmetic number, because the mean of its divisors is an integer number (2237829804).

Almost surely, 2^22149946605 is an apocalyptic number.

It is an amenable number.

22149946605 is a deficient number, since it is larger than the sum of its proper divisors (13655330259).

22149946605 is a wasteful number, since it uses less digits than its factorization.

22149946605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15223436.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 22149946605 in words is "twenty-two billion, one hundred forty-nine million, nine hundred forty-six thousand, six hundred five".